/*
 * [PreSort.java]
 *
 * Summary: adds kwh energy column so can sort activities.
 *
 * Copyright: (c) 2015-2017 Roedy Green, Canadian Mind Products, http://mindprod.com
 *
 * Licence: This software may be copied and used freely for any purpose but military.
 *          http://mindprod.com/contact/nonmil.html
 *
 * Requires: JDK 1.8+
 *
 * Created with: JetBrains IntelliJ IDEA IDE http://www.jetbrains.com/idea/
 *
 * Version History:
 *  1.0 2015-12-13 initial version.
 */
package com.mindprod.powcost;

import com.mindprod.common18.EIO;
import com.mindprod.csv.CSVReader;
import com.mindprod.csv.CSVWriter;
import com.mindprod.entities.DeEntifyStrings;

import java.io.EOFException;
import java.io.File;
import java.text.DecimalFormat;

/**
 * adds kwh energy column so can sort activities.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.0 2015-12-13 initial version.
 * @since 2015-12-13
 */
public final class PreSort
    {
    private static final DecimalFormat DF2 = new DecimalFormat( "##0.000" );

    /**
     * calc seconds in duration with units
     */
    static double durationToSeconds( final double duration, final String units )
        {
        switch ( units )
            {
            case "second":
            case "seconds":
                return duration;
            case "minute":
            case "minutes":
                return duration * 60;
            case "hour":
            case "hours":
                return duration * 60 * 60;
            case "day":
            case "days":
                return duration * 60 * 60 * 24;
            case "week":
            case "weeks":
                return duration * 60 * 60 * 24 * 7;
            case "month":
            case "months":
                return duration * 60 * 60 * 24 * 30.4375;
            case "year":
            case "years":
                return duration * 60 * 60 * 24 * 365.25;
            case "decade":
            case "decades":
                return duration * 60 * 60 * 24 * 365.25 * 10;
            default:
                throw new IllegalArgumentException( "invalid duration unit " + units );
            }
        }

    /**
     * Allow this Applet to run as as application as well.
     *
     * @param args command line arguments ignored.
     */
    public static void main( String args[] ) throws java.io.IOException
        {
        // must run in com\mindprod\powcost
        final CSVReader activitiesCSV = new CSVReader( EIO.getBufferedReader( new File( "activities.csv" ), 64 * 1024, EIO.UTF8 ) );
        final CSVWriter w = new CSVWriter( EIO.getPrintWriter( new File( "activities2.csv" ), 64 * 1024, EIO.UTF8 ) );
        w.nl( "list of possible activities" );
        w.nl( "# watts, duty cycle%, duration, unit, description (with entities), energy in MWatts(calc)" );
        try
            {
            while ( true )
                {
                //   3000, 100,  1, hour,    heat 32 gallons of water electrically to wash a load of clothes.
                final double watts = activitiesCSV.getDouble();
                if ( watts == 0 )
                    {
                    continue;  // ignore blank lines
                    }
                final double dutyCycleInPercent = activitiesCSV.getDouble();
                final double duration = activitiesCSV.getDouble();
                final String units = activitiesCSV.get();
                final String activityDescription = DeEntifyStrings.deEntifyHTML( activitiesCSV.get(), ' ' );
                activitiesCSV.skipToNextLine();
                final double seconds = durationToSeconds( duration, units );
                final double energyInKwh = ( watts / 1000 * seconds / ( 60 * 60 ) * dutyCycleInPercent / 100 );
                w.put( watts );
                w.put( dutyCycleInPercent );
                w.put( duration );
                w.put( units );
                w.put( activityDescription );
                w.put( DF2.format( energyInKwh ) );
                w.nl();
                }
            }
        catch ( EOFException e )
            {
            activitiesCSV.close();
            w.close();
            }
        } // end main
    }